Skills

What I reach for, grouped by where it sits in the stack.

Languages

  • TypeScript
  • JavaScript
  • Python
  • Java
  • Solidity
  • SQL
  • HTML
  • CSS

Frontend

  • React
  • Next.js
  • Tailwind CSS
  • shadcn/ui
  • Framer Motion
  • Vite
  • Three.js

Backend

  • Node.js
  • Spring Boot
  • Express.js
  • Maven
  • Inngest
  • REST APIs

Databases

  • MongoDB
  • PostgreSQL
  • Supabase
  • Appwrite

AI & ML

  • OpenAI
  • Groq
  • Hugging Face
  • Generative AI
  • LLM routing

Blockchain

  • Solidity
  • Ethereum
  • Web3
  • Smart Contracts

Data & Analytics

  • Data Analytics
  • Big Data Analytics
  • Data Visualisation
  • Business Data Management

Security & Cloud

  • Ethical Hacking
  • Risk Management
  • Cybersecurity
  • Cloud Computing

Tools & Deploy

  • Git
  • GitHub
  • GitLab
  • Vercel
  • npm

Achievements

L4

GitLab Contributor Developer

Reached Contributor Developer Level 4 through sustained open-source merge requests across GitLab.

open source

SIH '25

Smart India Hackathon 2025

Built AyurChakra, a blockchain-backed agriculture supply-chain traceability platform.

hackathon

5

Languages spoken

Fluent across five languages, including English, German and Hindi.

communication

Coding profiles

Where my code and contributions live.

GitHub

@Jeston10
public repos
27
followers
3

GitLab

@sjestonsingh
contributor level
4
focus
bug fixes

LeetCode

@Justin_zzz_go
problems solved
651
global ranking
119,371

Certifications

education

B.Tech CSE (Blockchain), VIT-AP University

Computer Science & Engineering with a Blockchain specialisation, August 2022 to September 2026.

job simulation

Quantium: Data Analytics Job Simulation

Forage virtual experience program in data analytics and business insight.

job simulation

Electronic Arts: Software Engineering Job Simulation

Forage virtual experience program in software engineering.

job simulation

Tata Group: Data Visualisation Job Simulation

Forage program: empowering business with effective data-visualisation insights.